CN219890253U - Waste heat recycling mechanism and slag drier device - Google Patents
Waste heat recycling mechanism and slag drier device Download PDFInfo
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- CN219890253U CN219890253U CN202320645865.8U CN202320645865U CN219890253U CN 219890253 U CN219890253 U CN 219890253U CN 202320645865 U CN202320645865 U CN 202320645865U CN 219890253 U CN219890253 U CN 219890253U
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- slag
- waste heat
- main body
- storage tank
- heat recovery
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- 239000002893 slag Substances 0.000 title claims abstract description 95
- 239000002918 waste heat Substances 0.000 title claims abstract description 38
- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 238000004064 recycling Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 238000003860 storage Methods 0.000 claims abstract description 33
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052802 copper Inorganic materials 0.000 claims abstract description 29
- 239000010949 copper Substances 0.000 claims abstract description 29
- 238000003756 stirring Methods 0.000 claims description 28
- 238000011084 recovery Methods 0.000 claims description 26
- 238000007664 blowing Methods 0.000 claims description 17
- 238000004140 cleaning Methods 0.000 claims description 15
- 239000004071 soot Substances 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 4
- 241000270295 Serpentes Species 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 2
- 238000001035 drying Methods 0.000 abstract description 6
- 239000013049 sediment Substances 0.000 description 10
- 230000008021 deposition Effects 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to the technical field of slag drying machines and discloses a waste heat recycling mechanism and a slag drying machine device. According to the waste heat recycling mechanism and the slag drier device, water in the water storage tank is continuously conveyed into the copper pipe through the water pump to absorb waste heat, water in the container assembly is heated, and heat in the slag drier is fully recycled.
Description
Technical Field
The utility model relates to the technical field of slag drying machines, in particular to a waste heat recycling mechanism and a slag drying machine device.
Background
The slag drier device is core equipment for slag treatment at the bottom of a coal-fired boiler, in a slag removing system of a thermal power plant, the slag drier is very popular as slag removing equipment of the coal-fired boiler, the slag drier is used for cooling and conveying hot slag discharged from the boiler, coal slag and ash in the boiler are sucked into the slag drier through negative pressure of a boiler hearth, and then the slag drier is driven by a cleaning chain in the slag drier, so that a net belt and a scraping plate on the cleaning chain take the coal slag and the ash out of the slag drier, and the slag drier consists of a driving mechanism, a conveying/cleaning mechanism and a hydraulic tensioning mechanism.
In the use, the conveying/cleaning mechanism of dry slag machine device has slag machine and ash in the heat can only distribute in the peripheral air of dry slag machine, not only cause dry slag machine ambient operating temperature high, but also cause extravagant problem to this part heat, its dry slag machine device can appear sometimes because the coal quality is relatively poor in the operation, lead to boiler ash production to increase suddenly, clean the chain and can't transport the ash to the ash mouth that falls fast, long-time deposition can lead to dry slag machine to jump the machine in the dry slag machine, clean the chain unable start-up, can't clean for a long time can lead to the boiler unable sediment, have the problem of very big potential safety hazard.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.
The utility model is provided in view of the problems that the existing activation feeder has a slag drier and the heat in ash can only be dissipated into the air around the slag drier, so that the working temperature around the slag drier is high, and the heat is wasted.
Accordingly, the present utility model is directed to a waste heat recovery and utilization mechanism, which aims to: and the heat in the slag drier and the ash is recycled, so that the waste of the heat is avoided.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a waste heat recovery utilizes mechanism, includes, waste heat recovery module, including dry sediment machine main part, set up in heat transfer subassembly, container subassembly and the stirring subassembly on the dry sediment machine main part, through heat transfer subassembly and container subassembly are linked together and are formed a rivers circulation heating channel.
As a preferable scheme of the waste heat recovery and utilization mechanism of the utility model, wherein: the heat exchange assembly comprises a copper pipe laid at the inner bottom of the slag drier main body, two ends of the copper pipe penetrate through the side wall of the slag drier main body, and a water guide pipe communicated with one end of the copper pipe.
As a preferable scheme of the waste heat recovery and utilization mechanism of the utility model, wherein: the outer wall of the copper pipe outside the main body of the slag drier is sprayed with heat-insulating materials.
As a preferable scheme of the waste heat recovery and utilization mechanism of the utility model, wherein: the container assembly comprises a water storage tank arranged right above the water guide pipe, the water storage tank is connected with the slag drier body through a supporting block, one end, far away from the copper pipe, of the water guide pipe is communicated with the center of the lower end of the water storage tank, one end, far away from the water guide pipe, of the copper pipe is communicated with the tank top of the water storage tank, and a water pump is arranged on the water guide pipe.
As a preferable scheme of the waste heat recovery and utilization mechanism of the utility model, wherein: the tank top of the water storage tank is communicated with a water supplementing port, a drain pipe is communicated with the outer tank wall of the water storage tank, which is close to the lower end position, and a drain valve is arranged on the drain pipe.
As a preferable scheme of the waste heat recovery and utilization mechanism of the utility model, wherein: the stirring assembly comprises a stirring shaft, a spiral fan blade and a driving fan blade, wherein the stirring shaft is rotatably arranged in the water storage tank and the water guide pipe, the spiral fan blade is arranged on the shaft wall of the stirring shaft, and the driving fan blade is arranged on the shaft wall of the lower end of the stirring shaft.
As a preferable scheme of the waste heat recovery and utilization mechanism of the utility model, wherein: the stirring shaft is characterized in that a bearing seat is fixedly sleeved on the shaft wall of the stirring shaft, four supporting rods are uniformly and equidistantly connected to the annular side wall of the bearing seat, and the other ends of the supporting rods are connected to the inner tank wall of the water storage tank.
The waste heat recycling mechanism has the beneficial effects that: the water in the water storage tank is continuously conveyed into the copper pipe through the water pump to absorb waste heat, the water in the container assembly is heated, and the heat in the slag drier is fully recycled.
In view of the fact that in the actual use process, the problem that long-time dust accumulation in the slag drying machine can cause the slag drying machine to jump, a cleaning chain cannot be started, long-time cleaning cannot cause slag discharge of a boiler, and great potential safety hazards exist.
In order to solve the technical problems, the utility model provides the following technical scheme: a slag drier device, which comprises a waste heat recycling mechanism and,
the slag dryer comprises an alarm module, a waste heat recovery module and a control cabinet, wherein the alarm module is connected to the waste heat recovery module and comprises a boiler arranged on a main body of the slag dryer, a slag discharging door arranged between the main body of the slag dryer and the boiler, a heat insulation plate arranged on the side wall of the main body of the slag dryer, a current alarm arranged on the heat insulation plate and used for monitoring the current of a cleaning chain, and the control cabinet, wherein the slag discharging door, the current alarm and the control cabinet are connected through a wire.
As a preferable scheme of the slag drier device, the utility model comprises the following steps: the alarm module further comprises a soot blowing component, wherein the soot blowing component comprises a soot blowing pipe arranged on the side wall of the main body of the dry slag machine, a fan arranged at the other end of the soot blowing pipe, and a one-way valve arranged on the soot blowing pipe.
The slag drier device has the beneficial effects that: when the accumulated ash amount in the main body of the slag drier is too large, an alarm is sent out and the boiler ash feeding is stopped, so that the working frequency of a cleaning chain is automatically accelerated, and the cleaning chain is prevented from being pressed down too much by accumulated ash, so that the slag drier jumps.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a schematic structural view of a waste heat recovery and utilization mechanism of the present utility model.
Fig. 2 is a partial cross-sectional view of a water storage tank of the waste heat recovery and utilization mechanism of the present utility model.
FIG. 3 is a schematic structural view of the slag drier device of the present utility model.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Example 1
Referring to fig. 1, for a first embodiment of the present utility model, there is provided a waste heat recovery and utilization mechanism of limestone, comprising,
the waste heat recovery module 100 comprises a slag drier main body 101, a heat exchange assembly 102, a container assembly 103 and a stirring assembly 104, wherein the heat exchange assembly 102, the container assembly 103 and the stirring assembly 104 are arranged on the slag drier main body 101 and are communicated to form a water flow circulation heating channel, substances in the container assembly 103 are stirred and mixed through the stirring assembly 104, and the stirring assembly 104 can be a stirrer.
The heat exchange assembly 102 comprises a copper pipe 102a paved at the inner bottom of the slag drier main body 101, two ends of the copper pipe 102a penetrate through the side wall of the slag drier main body 101 and a water guide pipe 102b communicated with one end of the copper pipe 102a, the container assembly 103 comprises a water storage tank 103a arranged right above the water guide pipe 102b, the water storage tank 103a is connected with the slag drier main body 101 through a supporting block, one end, far away from the copper pipe 102a, of the water guide pipe 102b is communicated with the center of the lower end of the water storage tank 103a, one end, far away from the water guide pipe 102b, of the copper pipe 102a is communicated with the tank top of the water storage tank 103a, and a water pump 103b is arranged on the water guide pipe 102b, and the water pump 103d is a high-temperature water pump.
During the use, make up water to water storage tank 103a, start water pump 103b, water in the water storage tank 103a is got into in copper pipe 102a through aqueduct 102b, and flow along copper pipe 102a direction and flow back to water storage tank 103 a's tank deck and fall back in water storage tank 103a at last, copper pipe 102a part is in dry sediment machine main part 101, the heat in the dry sediment machine main part 101 is absorbed to self when water in copper pipe 102a passes through in the dry sediment machine main part 101 heats, continuously carry copper pipe 102a with the water in the water storage tank 103a through water pump 103b, heat the water in the container assembly 103, waste heat in the dry sediment machine main part 101 is recycled.
Compared with the embodiment 1, further, the outer wall of the copper tube 102a positioned outside the main body 101 of the slag drier is sprayed with heat-insulating materials; a cleaning chain is arranged in the slag drier main body 101, and a copper pipe 102a positioned in the slag drier main body 101 is in a snake shape.
Wherein, the heat dissipation of the water in the copper pipe 102a is reduced by the heat-insulating material; the copper pipe 102a is in a snake shape in the slag drier main body 101, so that the heat absorption area is increased.
Example 2
Referring to fig. 1-2, a third embodiment of the present utility model is shown, which differs from the second embodiment in that: the stirring assembly 104 comprises a stirring shaft 104a rotatably arranged in the Chu Shuiguan a and water inlet pipe 103b, a spiral fan blade 104b connected to the shaft wall of the stirring shaft 104a, and a driving fan blade 104c connected to the shaft wall of the lower end of the stirring shaft 104 a.
During the use, when the water pump 103d drives water to move in the water inlet pipe 103b, the driving fan blade 104c is applied with a driving force, so that the driving fan blade 104c drives the stirring shaft 104a to rotate, and then drives the spiral fan blade 104b to rotate in the water storage tank 103a, so that the water in the water storage tank 103a is stirred, the water in the water storage tank 103a is fully moved and mixed, the overall temperature is kept consistent, and the water storage tank 103a is uniformly heated.
Compared with the embodiment 2, further, the shaft wall of the stirring shaft 104a is fixedly sleeved with the bearing seat 104d, four support rods 104e are uniformly and equidistantly connected to the annular side wall of the bearing seat 104d, and the other ends of the support rods 104e are connected to the inner tank wall of the water storage tank 103 a.
The stirring shaft 104a is supported by the bearing block 104d, when the stirring shaft 104a is forced to rotate, the stirring shaft 104a drives the inner ring of the bearing block 104d to rotate, and the outer ring of the bearing block 104d is supported by the four support rods 104 e.
The rest of the structure is the same as that of embodiment 1.
Example 3
Referring to fig. 1-3, a fourth embodiment of the present utility model is shown, which differs from the third embodiment in that: a slag drier device, which comprises a waste heat recycling mechanism and,
the alarm module 200, alarm module 200 connects on waste heat recovery module 100, including setting up the boiler 201 on dry slag machine main part 101, connect the sediment door 202 between dry slag machine main part 101 and boiler 201, sediment door 202 intercommunication dry slag machine main part 101 and boiler 201, connect the heat insulating board 203 on the dry slag machine main part 101 lateral wall, connect the electric current alarm 204 that is used for carrying out the control to cleaning chain electric current on heat insulating board 203, the model of electric current alarm 204 is DLB-109, and switch board 205, sediment door 202, electric current alarm 204 and switch board 205 pass through wire control connection.
In the use process, when the ash deposition amount in the main body 101 of the slag drier is too large, the current amount of the cleaning chain is increased, when the current exceeds the monitoring set value of the current alarm 204, the current alarm 204 gives an alarm to remind workers to process the slag before, the slag discharge door 202 is controlled to be closed, the ash discharge of the boiler 201 is stopped, the ash deposition in the main body 101 of the slag drier is prevented from increasing, the working frequency of the cleaning chain is automatically accelerated, and the cleaning chain is prevented from being pressed down too much due to the ash deposition, so that the slag drier jumps.
In comparison with embodiment 3, further, the alarm module 200 further includes a soot blowing component 206, the soot blowing component 206 includes a soot blowing pipe 206a connected to a sidewall of the main body 101 of the slag drier, a fan 206b connected to the other end of the soot blowing pipe 206a, the fan 206b is a high temperature resistant fan, a filter screen is installed at an air inlet of the fan 206, and a one-way valve 206c is installed on the soot blowing pipe 206 a.
When the slag discharging door 202 is closed, after the boiler 201 stops discharging ash, the fan 206b can be started manually, outside air is sucked into the ash blowing pipe 206a, under the action of air pressure, the air pushes the one-way valve 206c open, and the air is blown into the slag drier main body 101 through the ash blowing pipe 206a, so that ash in the slag drier main body 101 is blown to an ash outlet of the slag drier main body 101 along with the air.
The rest of the structure is the same as that of embodiment 2.
It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.
Claims (10)
1. Waste heat recovery utilizes mechanism, its characterized in that: comprising the steps of (a) a step of,
the waste heat recovery module (100) comprises a slag drier main body (101), a heat exchange assembly (102), a container assembly (103) and a stirring assembly (104), wherein the heat exchange assembly (102) and the container assembly (103) are arranged on the slag drier main body (101) and are communicated to form a water flow circulation heating channel.
2. The waste heat recovery and utilization mechanism according to claim 1, wherein: the heat exchange assembly (102) comprises a copper pipe (102 a) laid at the inner bottom of the slag drier main body (101), wherein two ends of the copper pipe (102 a) penetrate through the side wall of the slag drier main body (101), and a water guide pipe (102 b) communicated with one end of the copper pipe (102 a).
3. The waste heat recovery and utilization mechanism according to claim 2, wherein: the outer wall of the copper pipe (102 a) positioned outside the slag drier main body (101) is sprayed with heat-insulating materials.
4. A waste heat recovery and utilization mechanism according to claim 2 or 3, characterized in that: the container assembly (103) comprises a water storage tank (103 a) arranged right above the water guide pipe (102 b), the water storage tank (103 a) is connected with the slag drier main body (101) through a supporting block, one end, far away from the copper pipe (102 a), of the water guide pipe (102 b) is communicated with the center of the lower end of the water storage tank (103 a), one end, far away from the water guide pipe (102 b), of the copper pipe (102 a) is communicated with the tank top of the water storage tank (103 a), and a water pump (103 b) is arranged on the water guide pipe (102 b).
5. The waste heat recovery and utilization mechanism according to claim 4, wherein: the water storage tank is characterized in that a water supplementing port (103 c) is communicated with the tank top of the water storage tank (103 a), a drain pipe (103 d) is communicated with the outer tank wall of the water storage tank (103 a) close to the lower end position, and a drain valve (103 e) is arranged on the drain pipe (103 d).
6. The waste heat recovery and utilization mechanism according to claim 5, wherein: the stirring assembly (104) comprises a stirring shaft (104 a) rotatably arranged in the Chu Shuiguan (103 a) and the water guide pipe (102 b), a spiral fan blade (104 b) arranged on the shaft wall of the stirring shaft (104 a), and a driving fan blade (104 c) arranged on the shaft wall of the lower end of the stirring shaft (104 a).
7. The waste heat recovery and utilization mechanism according to claim 6, wherein: the stirring shaft is characterized in that a bearing seat (104 d) is fixedly sleeved on the shaft wall of the stirring shaft (104 a), four supporting rods (104 e) are uniformly and equidistantly connected to the annular side wall of the bearing seat (104 d), and the other ends of the supporting rods (104 e) are connected to the inner tank wall of the water storage tank (103 a).
8. The waste heat recovery and utilization mechanism according to claim 2, wherein: the slag drier main body (101) is internally provided with a cleaning chain, and a copper pipe (102 a) positioned in the slag drier main body (101) is in a snake shape.
9. A slag drier device, characterized in that: comprising the waste heat recycling mechanism according to any one of claims 1 to 8, and,
the slag dryer comprises an alarm module (200), wherein the alarm module (200) is connected to a waste heat recovery module (100), and comprises a boiler (201) arranged on a slag dryer main body (101), a slag discharging door (202) arranged between the slag dryer main body (101) and the boiler (201), a heat insulating plate (203) arranged on the side wall of the slag dryer main body (101), a current alarm (204) arranged on the heat insulating plate (203) and a control cabinet (205), wherein the slag discharging door (202), the current alarm (204) and the control cabinet (205) are connected through a wire.
10. The slag drier assembly of claim 9, wherein: the alarm module (200) further comprises a soot blowing component (206), wherein the soot blowing component (206) comprises a soot blowing pipe (206 a) arranged on the side wall of the dry slag machine main body (101), a fan (206 b) arranged at the other end of the soot blowing pipe (206 a), and a one-way valve (206 c) arranged on the soot blowing pipe (206 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320645865.8U CN219890253U (en) | 2023-03-28 | 2023-03-28 | Waste heat recycling mechanism and slag drier device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320645865.8U CN219890253U (en) | 2023-03-28 | 2023-03-28 | Waste heat recycling mechanism and slag drier device |
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| Publication Number | Publication Date |
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| CN219890253U true CN219890253U (en) | 2023-10-24 |
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| CN202320645865.8U Active CN219890253U (en) | 2023-03-28 | 2023-03-28 | Waste heat recycling mechanism and slag drier device |
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| Country | Link |
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